const utils = {

	showToast: function(params) {

		if (params != undefined && params.title != undefined && params.title.length > 0) {
			if (params.icon == undefined) {
				params.icon = 'none';
			}
			if (params.mask === undefined) {
				params.mask = true;
			}
			uni.showToast({
				duration: 2000,
				...params
			});
		}

	},


	showLoading: function(params) {
		params = { ...params
		}
		if (params.title == undefined || params.title.length < 1) {
			params.title = '加载中...';
		}
		if (params.mask === undefined) {
			params.mask = true;
		}
		uni.showLoading({
			...params
		})
	},


	hideLoading: function() {
		uni.hideLoading();
	},


	showModal: function(params) {
		if (params != undefined && params.content != undefined &&
			params.content.length > 0) {
			if (!params.title || params.title.length == 0) {
				params.title = '提示';
			}
			uni.showModal({
				...params,
			})
		}
	},

	showActionSheet: function(params) {
		if (params != undefined && params.itemList != undefined && params.itemList.length > 0) {
			uni.showActionSheet({
				...params,
			})
		}

	},

	SHA1: function(msg) {

		function rotate_left(n, s) {
			var t4 = (n << s) | (n >>> (32 - s));
			return t4;
		};

		function lsb_hex(val) {
			var str = "";
			var i;
			var vh;
			var vl;

			for (i = 0; i <= 6; i += 2) {
				vh = (val >>> (i * 4 + 4)) & 0x0f;
				vl = (val >>> (i * 4)) & 0x0f;
				str += vh.toString(16) + vl.toString(16);
			}
			return str;
		};

		function cvt_hex(val) {
			var str = "";
			var i;
			var v;

			for (i = 7; i >= 0; i--) {
				v = (val >>> (i * 4)) & 0x0f;
				str += v.toString(16);
			}
			return str;
		};


		function Utf8Encode(string) {
			string = string.replace(/\r\n/g, "\n");
			var utftext = "";

			for (var n = 0; n < string.length; n++) {

				var c = string.charCodeAt(n);

				if (c < 128) {
					utftext += String.fromCharCode(c);
				} else if ((c > 127) && (c < 2048)) {
					utftext += String.fromCharCode((c >> 6) | 192);
					utftext += String.fromCharCode((c & 63) | 128);
				} else {
					utftext += String.fromCharCode((c >> 12) | 224);
					utftext += String.fromCharCode(((c >> 6) & 63) | 128);
					utftext += String.fromCharCode((c & 63) | 128);
				}

			}

			return utftext;
		};

		var blockstart;
		var i, j;
		var W = new Array(80);
		var H0 = 0x67452301;
		var H1 = 0xEFCDAB89;
		var H2 = 0x98BADCFE;
		var H3 = 0x10325476;
		var H4 = 0xC3D2E1F0;
		var A, B, C, D, E;
		var temp;

		msg = Utf8Encode(msg);

		var msg_len = msg.length;

		var word_array = new Array();
		for (i = 0; i < msg_len - 3; i += 4) {
			j = msg.charCodeAt(i) << 24 | msg.charCodeAt(i + 1) << 16 |
				msg.charCodeAt(i + 2) << 8 | msg.charCodeAt(i + 3);
			word_array.push(j);
		}

		switch (msg_len % 4) {
			case 0:
				i = 0x080000000;
				break;
			case 1:
				i = msg.charCodeAt(msg_len - 1) << 24 | 0x0800000;
				break;

			case 2:
				i = msg.charCodeAt(msg_len - 2) << 24 | msg.charCodeAt(msg_len - 1) << 16 | 0x08000;
				break;

			case 3:
				i = msg.charCodeAt(msg_len - 3) << 24 | msg.charCodeAt(msg_len - 2) << 16 | msg.charCodeAt(msg_len - 1) << 8 |
					0x80;
				break;
		}

		word_array.push(i);

		while ((word_array.length % 16) != 14) word_array.push(0);

		word_array.push(msg_len >>> 29);
		word_array.push((msg_len << 3) & 0x0ffffffff);


		for (blockstart = 0; blockstart < word_array.length; blockstart += 16) {

			for (i = 0; i < 16; i++) W[i] = word_array[blockstart + i];
			for (i = 16; i <= 79; i++) W[i] = rotate_left(W[i - 3] ^ W[i - 8] ^ W[i - 14] ^ W[i - 16], 1);

			A = H0;
			B = H1;
			C = H2;
			D = H3;
			E = H4;

			for (i = 0; i <= 19; i++) {
				temp = (rotate_left(A, 5) + ((B & C) | (~B & D)) + E + W[i] + 0x5A827999) & 0x0ffffffff;
				E = D;
				D = C;
				C = rotate_left(B, 30);
				B = A;
				A = temp;
			}

			for (i = 20; i <= 39; i++) {
				temp = (rotate_left(A, 5) + (B ^ C ^ D) + E + W[i] + 0x6ED9EBA1) & 0x0ffffffff;
				E = D;
				D = C;
				C = rotate_left(B, 30);
				B = A;
				A = temp;
			}

			for (i = 40; i <= 59; i++) {
				temp = (rotate_left(A, 5) + ((B & C) | (B & D) | (C & D)) + E + W[i] + 0x8F1BBCDC) & 0x0ffffffff;
				E = D;
				D = C;
				C = rotate_left(B, 30);
				B = A;
				A = temp;
			}

			for (i = 60; i <= 79; i++) {
				temp = (rotate_left(A, 5) + (B ^ C ^ D) + E + W[i] + 0xCA62C1D6) & 0x0ffffffff;
				E = D;
				D = C;
				C = rotate_left(B, 30);
				B = A;
				A = temp;
			}

			H0 = (H0 + A) & 0x0ffffffff;
			H1 = (H1 + B) & 0x0ffffffff;
			H2 = (H2 + C) & 0x0ffffffff;
			H3 = (H3 + D) & 0x0ffffffff;
			H4 = (H4 + E) & 0x0ffffffff;

		}

		var temp = cvt_hex(H0) + cvt_hex(H1) + cvt_hex(H2) + cvt_hex(H3) + cvt_hex(H4);

		return temp.toLowerCase();

	}
}

export default utils;
